Salmonella, Escherichia coli O157:H7 and E. coli biotype 1 in a pilot survey of imported and New Zealand pig meats.

Abstract:

:A pilot survey for the pathogens Salmonella and Escherichia coli O157:H7, and E. coli biotype 1 was conducted on 100 New Zealand-produced (domestic) pig carcasses and 110 imported pig meat samples over an 8-month period to assess the likelihood of introduction of novel pathogen strains into New Zealand (NZ), and as a guide for development of a domestic pork National Microbiological Database programme. Salmonella was not isolated from domestic pig carcasses or from pig meat imported from Canada and the USA. The prevalence of Salmonella in imported pig meat was 3.6% (95% CI 1.0-9.0) with positive samples detected from Australian pig meat. The prevalence of E. coli O157:H7 on domestic pig carcasses was 1% (95% CI 0.03-5.4) while the overall prevalence of E. coli O157:H7 in imported pig meat was 1.8% (95% CI 0.2-6.4), detected mainly from Australian but not from Canadian or US pork. All except three samples have an E. coli biotype 1 count of < 100 CFU cm(-2) or g(-1), indicating good hygiene quality of domestic and imported pig meat. The results demonstrated that importation of uncooked pig meat is a potential route for the introduction of new clones of Salmonella and E. coli O157:H7 into New Zealand.

journal_name

Food Microbiol

journal_title

Food microbiology

authors

Wong TL,Macdiarmid S,Cook R

doi

10.1016/j.fm.2008.10.002

subject

Has Abstract

pub_date

2009-04-01 00:00:00

pages

177-82

issue

2

eissn

0740-0020

issn

1095-9998

pii

S0740-0020(08)00195-0

journal_volume

26

pub_type

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